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Pecs block

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https://www.readbyqxmd.com/read/28213214/bifunctional-polydopamine-thin-film-coated-zinc-oxide-nanorods-for-label-free-photoelectrochemical-immunoassay
#1
Yan Yang, Weihua Hu
Photoelectrochemical (PEC) detection is a promising method for label-free immunoassay by reporting the specific biological recognition events with electrical signals. However, it is challenging to rationally incorporate immunosensing components with a photocurrent conversion interface, which generally necessitates multistep fabrication and careful tailoring of various components such as photoactive material and biological probe. For high detection reliability and reproducibility, it is highly desirable to rationally construct an efficient PEC interface with architecture as simple as possible...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28184271/surgical-excision-of-the-breast-giant-fibroadenoma-under-regional-anesthesia-by-pecs-ii-and-internal-intercostal-plane-block-a-case-report-and-brief-technical-description-a-case-report
#2
Hyungtae Kim, Junho Shim, Ikthae Kim
A 22-years-old female patient at 171 cm and 67 kg visited the Department of Breast Surgery of the hospital with a mass accompanied with pain on the left side breast as chief complaints. Since physical examination revealed a suspected huge mass, breast surgeon decided to perform surgical excision and requested anesthesia to our department. Surgery of breast tumor is often under local anesthesia. However, in case of big size tumor, surgery is usually performed under general anesthesia. The patient feared general anesthesia...
February 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28137363/assessment-of-the-genotoxicity-of-the-tyrosine-kinase-inhibitor-imatinib-mesylate-in-cultured-fish-and-human-cells
#3
Matjaž Novak, Bojana Žegura, Jana Nunić, Goran Gajski, Marko Gerić, Vera Garaj-Vrhovac, Metka Filipič
The selective tyrosine kinase inhibitor imatinib mesylate (IM) is a widely used anticancer drug. Recent studies showing that IM can induce DNA and chromosomal damage in crustaceans and higher plants prompted us to re-examine its potential genotoxicity. IM was not mutagenic in the Ames assay (Salmonella typhimurium). Cytotoxicity and genotoxicity were evaluated in vitro in zebrafish (Danio rerio) liver (ZFL), human hepatoma (HepG2), and human peripheral blood lymphocyte (HPBL) cells. Genotoxicity was determined with the comet assay and with the cytokinesis-block micronucleus cytome assay...
February 2017: Mutation Research
https://www.readbyqxmd.com/read/28064502/one-pot-synthesis-of-amino-acid-based-polyelectrolytes-and-nanoparticle-synthesis
#4
Stefan Mommer, Helmut Keul, Martin Möller
In this manuscript, a biscyclic monomer with an epoxide and a thiolactone ring connected by a urethane bond is used for the synthesis of amino acid-functional polyelectrolytes. In a first step, lithium salts of amino acids react selectively with the thiolactone ring by ring-opening, formation of an amide bond, and a thiol group. In a second step and in the presence of a base a polymeric building block is formed by polyaddition of the thiolate to the epoxide ring. The reaction occurs at room temperature in water as solvent...
January 9, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/27988479/label-free-and-high-throughput-biosensing-of-multiple-tumor-markers-on-a-single-light-addressable-photoelectrochemical-sensor
#5
Juan Wang, Juan Long, Zhihong Liu, Wangze Wu, Chengguo Hu
The sensitive and label-free detection of multiple biomarkers on a single electrode by photoelectrochemical (PEC) sensors based on light addressing strategies is very attractive for developing portable and high-throughput biosensing systems. The essential prerequisite of this proposal is the employment of uniform photovoltaic material modified electrodes with high conversion efficiency. Herein, a novel two-step constant potential deposition method for the rapid fabrication of bismuth sulfide film modified ITO electrodes (Bi2S3/ITO) was established...
December 13, 2016: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27871558/combipecs-the-single-injection-technique-of-pectoral-nerve-blocks-1-and-2-a-case-series
#6
Arunangshu Chakraborty, Rakhi Khemka, Taniya Datta, Suparna Mitra
Ultrasound-guided Pecs block can provide perioperative analgesia for breast surgery. A single-injection technique (COMBIPECS) combines both Pecs 1 and Pecs 2 blocks in a single needle pass. This technique saves time and is equally effective as the modified Pecs block which uses 2 needle passes. We present a case series of 21 patients who received the COMBIPECS block as a part of multimodal analgesia for breast cancer surgery. The block was administered before the surgery after induction of general anesthesia...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27863288/broad-ion-beam-serial-section-tomography
#7
B Winiarski, A Gholinia, K Mingard, M Gee, G E Thompson, P J Withers
Here we examine the potential of serial Broad Ion Beam (BIB) Ar(+) ion polishing as an advanced serial section tomography (SST) technique for destructive 3D material characterisation for collecting data from volumes with lateral dimensions significantly greater than 100µm and potentially over millimetre sized areas. Further, the associated low level of damage introduced makes BIB milling very well suited to 3D EBSD acquisition with very high indexing rates. Block face serial sectioning data registration schemes usually assume that the data comprises a series of parallel, planar slices...
January 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/27851263/1628-pecs-i-ii-blocks-as-rescue-analgesia-in-a-patient-undergoing-port-access-cardiac-surgery
#8
Suraj Yalamuri, Rebecca Klinger, William Bullock, Donald Glower, Jeffrey Gadsden, Brandi Bottiger
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27829018/paravertebral-block-plus-thoracic-wall-block-versus-paravertebral-block-alone-for-analgesia-of-modified-radical-mastectomy-a-retrospective-cohort-study
#9
Nai-Liang Li, Ben-Long Yu, Chen-Fang Hung
BACKGROUND AND OBJECTIVES: Paravertebral block placement was the main anesthetic technique for modified radical mastectomy in our hospital until February 2014, when its combination with blocks targeting the pectoral musculature was initiated. We compared the analgesic effects of paravertebral blocks with or without blocks targeting the pectoral musculature for modified radical mastectomy. METHODS: We retrospectively collected data from a single surgeon and anesthesiologist from June 1, 2012, to May 31, 2015...
2016: PloS One
https://www.readbyqxmd.com/read/27817875/photoelectrochemical-cell-for-simultaneous-electricity-generation-and-heavy-metals-recovery-from-wastewater
#10
Dawei Wang, Yi Li, Gianluca Li Puma, Panagiotis Lianos, Chao Wang, Peifang Wang
The feasibility of simultaneous recovery of heavy metals from wastewater (e.g., acid mining and electroplating) and production of electricity is demonstrated in a novel photoelectrochemical cell (PEC). The photoanode of the cell bears a nanoparticulate titania (TiO2) film capped with the block copolymer [poly(ethylene glycol)-b-poly(propylene glycol)-b-poly(ethylene glycol)] hole scavenger, which consumed photogenerated holes, while the photogenerated electrons transferred to a copper cathode reducing dissolved metal ions and produced electricity...
February 5, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27776103/parasternal-pecto-intercostal-pecs-and-transverse-thoracic-muscle-plane-blocks-a-rose-by-any-other-name-would-smell-as-sweet
#11
Romualdo Del Buono, Fabio Costa, Felice Eugenio Agrò
No abstract text is available yet for this article.
November 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27761032/ultrasound-guided-truncal-blocks-a-new-frontier-in-regional-anaesthesia
#12
REVIEW
Arunangshu Chakraborty, Rakhi Khemka, Taniya Datta
The practice of regional anaesthesia is rapidly changing with the introduction of ultrasound into the working domain of the anaesthesiologist. New techniques are being pioneered. Among the recent techniques, notable are the truncal blocks, for example, the transversus abdominis plane block, rectus sheath block, hernia block and quadratus lumborum block in the abdomen and the pectoral nerves (Pecs) block 1 and 2, serratus anterior plane block and intercostal nerve block. This narrative review covers the brief anatomical discourse along with technical description of the ultrasound-guided truncal blocks...
October 2016: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/27723295/dual-signal-amplification-using-gold-nanoparticles-enhanced-zinc-selenide-nanoflakes-and-p19-protein-for-ultrasensitive-photoelectrochemical-biosensing-of-microrna-in-cell
#13
Wenwen Tu, Huijuan Cao, Long Zhang, Jianchun Bao, Xuhui Liu, Zhihui Dai
Using Au nanoparticles (NPs) decorated water-soluble ZnSe-COOH nanoflakes (NFs), an ultrasensitive photoelectrochemical (PEC) biosensing strategy based on the dual signal amplification was proposed. As a result of the localized surface plasmon resonance (SPR) of Au NPs, the ultraviolet-visible absorption spectrum of Au NPs overlapped with emission spectra of ZnSe-COOH NFs, which generated efficient resonant energy transfer (RET) between ZnSe-COOH NFs and Au NPs. The RET improved photoelectric conversion efficiency of ZnSe-COOH NFs and significantly amplified PEC signal...
October 10, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/27676665/efficacy-and-safety-of-ketamine-added-to-local-anesthetic-in-modified-pectoral-block-for-management-of-postoperative-pain-in-patients-undergoing-modified-radical-mastectomy
#14
Ahmed H Othman, Ahmad M Abd El-Rahman, Fatma El Sherif
BACKGROUND: Breast surgery is an exceedingly common procedure with an increased incidence of acute and chronic pain. Pectoral nerve block is a novel peripheral nerve block alternative to neuro-axial and paravertebral blocks for ambulatory breast surgeries. OBJECTIVES: This study aims to compare the analgesic efficacy and safety of modified Pecs block with ketamine plus bupivacaine versus bupivacaine in patients undergoing breast cancer surgery. STUDY DESIGN: A randomized, double-blind, prospective study...
September 2016: Pain Physician
https://www.readbyqxmd.com/read/27650294/clinical-usefulness-of-pectoral-nerve-block-for-the-management-of-zoster-associated-pain-case-reports-and-technical-description
#15
Yeon-Dong Kim, Seon-Jeong Park, Junho Shim, Hyungtae Kim
The recently introduced pectoral nerve (Pecs) block is a simple alterative to the conventional thoracic paravertebral block or epidural block for breast surgery. It produces excellent analgesia and can be used to provide balanced anesthesia and as a rescue block in cases where performing a neuraxial blockade is not possible. In the thoracic region, a neuraxial blockade is often used to manage zoster-associated pain. However, this can be challenging for physicians due to the increased risk of hemodynamic instability in the upper thoracic level, and comorbid and contraindicated medical conditions such as coagulopathy...
September 20, 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27613329/porcine-endothelium-induces-dna-histone-complex-formation-in-human-whole-blood-a-harmful-effect-of-histone-on-coagulation-and-endothelial-activation
#16
Hyun Ju Yoo, Ji-Eun Kim, Ja Yoon Gu, Sae Bom Lee, Hyun Joo Lee, Ho Young Hwang, Yoohwa Hwang, Young Tae Kim, Hyun Kyung Kim
BACKGROUND: Neutrophils play a role in xenograft rejection. When neutrophils are stimulated, they eject the DNA-histone complex into the extracellular space, called neutrophil extracellular traps (NET). We investigated whether NET formation actively occurs in the xenograft and contributes to coagulation and endothelial activation. METHODS: Human whole blood was incubated with porcine aortic endothelial cells (pEC) from wild-type or α1,3-galactosyltransferase gene-knockout (GTKO) pigs...
November 2016: Xenotransplantation
https://www.readbyqxmd.com/read/27543533/efficacy-of-pectoral-nerve-block-versus-thoracic-paravertebral-block-for-postoperative-analgesia-after-radical-mastectomy-a-randomized-controlled-trial
#17
S Kulhari, N Bharti, I Bala, S Arora, G Singh
BACKGROUND: Pectoral nerve (PecS) block is a recently introduced technique for providing surgical anaesthesia and postoperative analgesia during breast surgery. The present study was planned to compare the efficacy and safety of ultrasound-guided PecS II block with thoracic paravertebral block (TPVB) for postoperative analgesia after modified radical mastectomy. METHODS: Forty adult female patients undergoing radical mastectomy were randomly allocated into two groups...
September 2016: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/27418294/bulk-and-nanoscale-polypeptide-based-polyelectrolyte-complexes
#18
REVIEW
Amanda B Marciel, Eun Ji Chung, Blair K Brettmann, Lorraine Leon
Polyelectrolyte complexes (PECs) formed using polypeptides have great potential for developing new self-assembled materials, in particular for the development of drug and gene delivery vehicles. This review discusses the latest advancements in PECs formed using polypeptides as the polyanion and/or the polycation in both polyelectrolyte complexes that form bulk materials and block copolymer complexes that form nanoscale assemblies such as PEC micelles and other self-assembled structures. We highlight the importance of secondary structure formation between homogeneous polypeptide complexes, which, unlike PECs formed using other polymers, introduces additional intermolecular interactions in the form of hydrogen bonding, which may influence precipitation over coacervation...
July 2, 2016: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/27315180/implementation-of-pecs-i-and-pecs-ii-blocks-as-part-of-opioid-sparing-approach-to-breast-surgery
#19
Alexander Amir, Steeve Jolin, Stephane Amberg, Scott Nordstrom
No abstract text is available yet for this article.
July 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27124203/growth-and-photoelectrochemical-energy-conversion-of-wurtzite-indium-phosphide-nanowire-arrays
#20
Nikolay Kornienko, Natalie A Gibson, Hao Zhang, Samuel W Eaton, Yi Yu, Shaul Aloni, Stephen R Leone, Peidong Yang
Photoelectrochemical (PEC) water splitting into hydrogen and oxygen is a promising strategy to absorb solar energy and directly convert it into a dense storage medium in the form of chemical bonds. The continual development and improvement of individual components of PEC systems is critical toward increasing the solar to fuel efficiency of prototype devices. Within this context, we describe a study on the growth of wurtzite indium phosphide (InP) nanowire (NW) arrays on silicon substrates and their subsequent implementation as light-absorbing photocathodes in PEC cells...
May 24, 2016: ACS Nano
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